Madridoku
The daily Madrid metro puzzle. Place 9 stations by line, terminus and fare zone. A fresh grid every day at midnight.
U-doku Berlin
The daily Berlin U-Bahn puzzle. Place 9 stations by line, terminus and interchange. A fresh grid every day at midnight.
Strasdoku
The daily Strasbourg tram puzzle. Place 9 stations by line, terminus and direction. A fresh grid every day at midnight.
Tokyodoku
The daily Tokyo Metro puzzle. Place 9 stations by line, terminus and interchange. A fresh grid every day at midnight.
Mexidoku
The daily Mexico City metro puzzle. Place 9 stations by line, terminus and connection. A fresh grid every day at midnight.
U-doku München
The daily Munich U-Bahn puzzle. Place 9 stations by line, terminus and interchange. A fresh grid every day at midnight.